People often disagree about what is and isn't healthy. Learn more about hotly disputed health topics and find out about the latest research.
83 articles
Aching muscles: the key facts
How do aching muscles come about and what helps to counter them?
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Is it colour blindness or colour vision deficiency?
Colour-blind people or those with a red-green deficiency either can't see colour at all, or only partially. More on colour vision deficiency.
07.06.20224 minutes
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Sunstroke: heat accumulation in the head
Sunstroke is caused by your head overheating as a result of prolonged sun exposure. Here’s how to protect yourself and your children from it.
01.06.20225 minutes
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How do glasses with a blue light filter help?
Displays give off lots of blue light, disturbing our sleep-wake cycle. Is it true that glasses with a blue light filter can help against this?
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The eye: the structure and how it works
Cornea, lens, retina – the eye is a highly complex sensory organ. We’ll show you how it is structured and how its individual parts work.
13.05.20225 minutes
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What is astigmatism?
Astigmatism is a common vision problem. It is not age-related and often occurs in conjunction with short- and long-sightedness.
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20 tips for a strong heart
Stress, an unbalanced diet or not enough exercise: there are many causes of heart disease. However, it is never too late to change your own lifestyle. We will show you how.
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What should you do after a tick bite?
You should remove the tick as soon as you can. But there are some important points to remember. Certain symptoms should ring alarm bells.
28.03.20224 minutes
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How are your iron levels?
An iron level test detects iron deficiency. All about iron requirements and iron levels for men, women and children.
01.03.20224 minutes
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Bariatric surgery for weight loss: is it possible?
Bariatric surgery may help with weight loss in cases of severe obesity. We explain the different procedures and possible risks.